Dubstep: A sub-genre of house electronica that was last used to exemplary effect in K-pop idol HyunA's debut track, Bubble Pop! (2011). While most industry commentators were pleasantly surprised by the addition of such a niche genre of Western music, they also agreed that dubstep - like shuffling and several other Western fads - was starting to run its course and further noted that retroactively borrowing trends would have a negative impact on attempts to go global.